144381475 has 48 divisors (see below), whose sum is σ = 217486080. Its totient is φ = 92880000.

The previous prime is 144381467. The next prime is 144381491. The reversal of 144381475 is 574183441.

It is not a de Polignac number, because 144381475 - 2³ = 144381467 is a prime.

It is a super-3 number, since 3×144381475³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 575100 + ... + 575350.

It is an arithmetic number, because the mean of its divisors is an integer number (4530960).

Almost surely, 2^144381475 is an apocalyptic number.

144381475 is a deficient number, since it is larger than the sum of its proper divisors (73104605).

144381475 is a wasteful number, since it uses less digits than its factorization.

144381475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 455 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 144381475 is about 12015.8842787370. The cubic root of 144381475 is about 524.6107167119.

The spelling of 144381475 in words is "one hundred forty-four million, three hundred eighty-one thousand, four hundred seventy-five".